Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 120/90-19 | 130/80-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.5 (698.6) | 26.19 (665.2) | -1.31 (-33.4) -4.8% |
| Width inches (mm) | 4.72 (120) | 5.12 (130) | 0.39 (10) 8.3% |
| Circum. inches (mm) | 86.41 (2194.72) | 82.28 (2089.79) | -4.13 (-104.93) -4.8% |
| Sidewall Height inches (mm) | 4.25 (108) | 4.09 (104) | -0.16 (-4) -3.7% |
| Revolutions per mile (km) | 733.28 (455.64) | 770.1 (478.52) | 36.82 (22.88) 5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.04 mph (30.65 km/h) |
| 25 mph (40.23 km/h) | 23.8 mph (38.31 km/h) |
| 30 mph (48.28 km/h) | 28.57 mph (45.97 km/h) |
| 35 mph (56.33 km/h) | 33.33 mph (53.63 km/h) |
| 40 mph (64.37 km/h) | 38.09 mph (61.3 km/h) |
| 45 mph (72.42 km/h) | 42.85 mph (68.96 km/h) |
| 50 mph (80.47 km/h) | 47.61 mph (76.62 km/h) |
| 55 mph (88.51 km/h) | 52.37 mph (84.28 km/h) |
| 60 mph (96.56 km/h) | 57.13 mph (91.94 km/h) |
| 65 mph (104.61 km/h) | 61.89 mph (99.61 km/h) |
| 70 mph (112.65 km/h) | 66.65 mph (107.27 km/h) |
| 75 mph (120.7 km/h) | 71.41 mph (114.93 km/h) |
| 80 mph (128.75 km/h) | 76.18 mph (122.59 km/h) |
| 85 mph (136.79 km/h) | 80.94 mph (130.25 km/h) |
| 90 mph (144.84 km/h) | 85.7 mph (137.92 km/h) |
| 95 mph (152.89 km/h) | 90.46 mph (145.58 km/h) |
| 100 mph (160.93 km/h) | 95.22 mph (153.24 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1960 | 2277 | 2452 | 2560 | 2677 | 2760 | 2852 | 2960 | 3111 | 3261 | 3427 | 3561 | 3803 | 4070 | 4278 | 4412 | 4487 | 4762 | 5145 | 5979 |
Better Fuel Economy Factory Ratios Increased Power
